Perhaps you should try some spelling variations:
"locating bug code slippers" » "locating bug code snippets", "locating bung code slippers", "locating bugs code slippers"
"python using java slippery" » "python using data slippery"
"van quan dan snippets" » "van ban dan snippets", "van quan doan snippets", "van quan den snippets", "van quan van snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("van quan dan snippets") OR ("python using java slippery"))) OR ("locating bug code slippers"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"van quan dan snippets\") OR (\"python using java slippery\"))) OR (\"locating bug code slippers\"))".
• Removing quotes may allow a broader search: (((( van quan dan snippets ) OR ( python using java slippery ))) OR ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("van quan dan snippets") OR ("python using java slippery"))) OR ("locating bug code slippers"))*.